CVE-2023-1259

The Hotjar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the hotjar_site_id in versions up to, and including, 1.0.15 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

• CWE-79
• CWE-79

• https://plugins.trac.wordpress.org/browser/hotjar/tags/1.0.14/includes/class-hotjar.php#L40Exploit
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2983524%40hotjar&new=2983524%40hotjar&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/9c640bcb-b6bf-4865-b713-32ca846e4ed9?source=cveThird Party Advisory
• https://plugins.trac.wordpress.org/browser/hotjar/tags/1.0.14/includes/class-hotjar.php#L40Exploit
• https://www.wordfence.com/threat-intel/vulnerabilities/id/9c640bcb-b6bf-4865-b713-32ca846e4ed9?source=cveThird Party Advisory

Published

Oct 14, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2023-1253A vulnerability, which was classified as critical, was found…9.8
• CVE-2023-1254A vulnerability has been found in SourceCodester Health Cent…5.4
• CVE-2023-1255Issue summary: The AES-XTS cipher decryption implementation …5.9
• CVE-2023-1256The listed versions of AVEVA Plant SCADA and AVEVA Telemetry…9.8
• CVE-2023-1257An attacker with physical access to the affected Moxa UC Ser…6.8
• CVE-2023-1258Exposure of Sensitive Information to an Unauthorized Actor v…5.3
• CVE-2023-1260An authentication bypass vulnerability was discovered in kub…8
• CVE-2023-1261 Missing MAC layer security in Silicon Labs Wi-SUN SDK v1.5.…5.3
• CVE-2023-1262 Missing MAC layer security in Silicon Labs Wi-SUN Linux Bor…5.3
• CVE-2023-1263The CMP – Coming Soon & Maintenance plugin for WordPress is …5.3
• CVE-2023-1264NULL Pointer Dereference in GitHub repository vim/vim prior …5.5
• CVE-2023-1265An issue has been discovered in GitLab affecting all version…4.5